From the details in Fig. 2.1, identify: an organism feeding at the third trophic level; a herbivore; a carnivore; an organism that functions as both a primary consumer and a secondary consumer.
State what the arrows in Fig. 2.1 show.
From the information in Fig. 2.1, build a food chain with five organisms. Do not draw the organisms.
State the name of the process that some producers use to change energy from light into chemical energy.
State the name of the type of organism that obtains energy from dead or waste organic material.
Using the information in Fig. 2.1, explain why the turtle population would fall.
Coral groupers changed over time from a fish species with very few spots on their bodies. Complete the sentences to explain how coral groupers developed. The fish species with few spots showed genetic variation in its population. When these fish [BLANK], some of the offspring were born with more spots than others. Fish with more spots were better adapted to the [BLANK] because predators were less likely to spot them. Fish with more spots had a greater chance of passing on the [BLANK] for more spots to the next generation. This process is called [BLANK] selection.